Att D_Specifications (230321).pdf

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Attached to
Kentuck Lake Camp Ground Upgrades Federal contract opportunity
Solicitation number
12445523R0024
Issued by
Department of Agriculture Forest Service

About this file

This solicitation is for upgrades to the Kentuck Lake Campground in the Chequamegon-Nicolet National Forest. Required work includes electrifying the campground, upgrading the campground host site with new water tanks and lines, and optional bids for new vault toilets. Technical specifications are provided for the electrical work, earthwork, seeding, and other exterior improvements. Product data, shop drawings, and other submittals are required from bidders prior to installation. Field testing, inspection, and commissioning will be conducted to verify compliance.

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Amd 02 12445523R0024 (230721).pdf PDF
Amd 01 12445523R0024 (230705).pdf PDF
Att B_Plans (230209).pdf PDF
Sol_12445523R0024.pdf PDF
Att C_Vault Toilet Details (230413).pdf PDF
Att E_Wage Rates (230609).pdf PDF
Att A_Schedule of Items (230613).xlsx XLSX spreadsheet

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Kentuck Lake Campground Specifications

This document contains three sections of specifications:

1. Base Bid 1: Campground Electrification

2. Base Bid 2: Campground Host Site Tanks and Water Line

3. Optional Bid 1, 2, 3 & 4 Vault Toilets

F O R E S T S E R V I C E

Technical Specifications

Chequamegon-Nicolet National Forest Eagle River/Florence Ranger District

Kentuck Lake Campground

Campground Electrification Base Bid 1

THIS PAGE INTENTIONALLY LEFT BLANK

PROJECT MANUAL

00 01 10 – Table of Contents

Campgrounds Electrification & Modifications Design 00 01 10 - 1 Table of Contents

PAGES

00 01 10-1-1

DOCUMENT TITLE

00 01 10 Table of Contents

BIDDING AND CONTRACT REQUIREMENTS

Provided by Forest Service

GENERAL REQUIREMENTS

Provided by Forest Service

DIVISION 26 - ELECTRICAL

26 00 10 Supplemental Requirements for Electrical 26 00 10-1-13 26 00 11 Facility Performance Requirements for Electrical 26 00 11-1-2 26 05 19 Low-Voltage Electrical Power Conductors and Cables 26 05 19-1-4 26 05 26 Grounding and Bonding For Electrical Systems 26 05 26-1-6 26 05 33 Raceway and Boxes for Electrical Systems 26 05 33-1-15 26 05 48.16 Seismic Controls For Electrical Systems 26 05 48.16-1-6 26 05 53 Identification For Electrical Systems 26 05 53-1-11 26 08 00 Commissioning of Electrical Systems 26 08 00-1-5 26 24 16 Panelboards 26 24 16-1-6 26 27 26 Wiring Devices 26 27 26-1-3 26 28 16 Enclosed Switches and Circuit Breakers 26 28 16-1-6

DIVISION 31 – EARTHWORK

31 05 13 Soils 31 05 13-1-3 31 23 17 Trenching and Backfill 31 23 17-1-5

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 92 19 Seeding 32 92 19-1-5

END 00 01 10.

375-2032 Forest Service Campground Supplemental Requirements for Electrical 26 00 10 - 1

SECTION 26 00 10 - SUPPLEMENTAL REQUIREMENTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Supplemental requirements applicable to Work specified in Division 26.

B. Related Requirements:

1. Section 260011 "Facility Performance Requirements for Electrical" for seismic-load, wind-load, acoustical, and other field conditions applicable to Work specified in this Section.

1.2 REFERENCES

A. Abbreviations and Acronyms for Electrical Terms and Units of Measure:

1. 8PSJ or 8P8C: Miniature 8-position series jack, also called an 8-position 8-contact modular jack for some applications.

2. A: Ampere, unit of electrical current.

3. AC or ac: Alternating current.

4. AFCI: Arc-fault circuit interrupter.

5. AIC: Ampere interrupting capacity.

6. AL, Al, or ALUM: Aluminum.

7. ASD: Adjustable-speed drive.

8. ATS: Automatic transfer switch.

9. AWG: American wire gauge; see ASTM B258.

10. BAS: Building automation system.

11. BIL: Basic impulse insulation level.

12. BIM: Building information modeling.

13. CAD: Computer-aided design or drafting.

14. CATV: Community antenna television.

15. CB: Circuit breaker.

16. CO/ALR: Copper-aluminum, revised.

17. COPS: Critical operations power system.

18. CU or Cu: Copper.

19. CU-AL or AL-CU: Copper-aluminum.

20. dB: Decibel, a unitless logarithmic ratio of two electrical, acoustical, or optical power values.

21. dB(A-weighted) or dB(A): Decibel acoustical sound pressure level with A-weighting applied in accordance with IEC 61672-1.

22. dB(adjusted) or dBa: Decibel weighted absolute noise power with respect to 3.16 pW

(minus 85 dBm).

23. dBm: Decibel absolute power with respect to 1 mW.

24. DC or dc: Direct current.

26 00 10 - 2

25. DCOA: Designated critical operations area.

26. DDC: Direct digital control (HVAC).

27. EGC: Equipment grounding conductor.

28. EMF: Electromotive force.

29. EMI: Electromagnetic interference.

30. EPM: Electrical preventive maintenance.

31. EPS: Emergency power supply.

32. EPSS: Emergency power supply system.

33. ESS: Energy storage system.

34. EV: Electric vehicle.

35. EVPE: Electric vehicle power export equipment.

36. EVSE: Electric vehicle supply equipment.

37. fc: Footcandle, a unit of illuminance equal to one lumen per square foot.

38. FLC: Full-load current.

39. ft: Foot.

40. GEC: Grounding electrode conductor.

41. GFCI: Ground-fault circuit interrupter.

42. GFPE: Ground-fault protection of equipment.

43. GND: Ground.

44. HACR: Heating, air conditioning, and refrigeration.

45. HDPE: High-density polyethylene.

46. HID: High-intensity discharge.

47. HP or hp: Horsepower.

48. HVAC: Heating, ventilating, and air conditioning.

49. Hz: Hertz.

50. IBT: Intersystem bonding termination.

51. inch: Inch. To avoid confusion, the abbreviation "in." is not used.

52. IP: Ingress protection rating (enclosures); Internet protocol (communications).

53. IR: Infrared.

54. IS: Intrinsically safe.

55. IT&R: Inspecting, testing, and repair.

56. ITE: Information technology equipment.

57. kAIC: Kiloampere interrupting capacity.

58. kcmil or MCM: One thousand circular mils.

59. kV: Kilovolt.

60. kVA: Kilovolt-ampere.

61. kVAr or kVAR: Kilovolt-ampere reactive.

62. kW: Kilowatt.

63. kWh: Kilowatt-hour.

64. LAN: Local area network.

65. lb: Pound (weight).

66. LCD: Liquid-crystal display.

67. LCDI: Leakage-current detector-interrupter.

68. LED: Light-emitting diode.

69. LNG: Liquefied natural gas.

70. LP-Gas: Liquefied petroleum gas.

71. LRC: Locked-rotor current.

72. MCC: Motor-control center.

73. MDC: Modular data center.

74. MG set: Motor-generator set.

75. MIDI: Musical instrument digital interface.

26 00 10 - 3

76. MLO: Main lugs only.

77. MVA: Megavolt-ampere.

78. mW: Milliwatt.

79. MW: Megawatt.

80. MWh: Megawatt-hour.

81. NC: Normally closed.

82. NiCd: Nickel cadmium.

83. NIU: Network interface unit.

84. NO: Normally open.

85. NPT: National (American) standard pipe taper.

86. OCPD: Overcurrent protective device.

87. ONT: Optical network terminal.

88. PC: Personal computer.

89. PCS: Power conversion system.

90. PCU: Power-conditioning unit.

91. PF or pf: Power factor.

92. PHEV: Plug-in hybrid electric vehicle.

93. PLC: Programmable logic controller.

94. PLFA: Power-limited fire alarm.

95. PoE: Power over Ethernet.

96. PV: Photovoltaic.

97. PVC: Polyvinyl chloride.

98. pW: Picowatt.

99. RFI: Radio-frequency interference (electrical); Request for interpretation (contract).

100. RMS or rms: Root-mean-square.

101. RPM or rpm: Revolutions per minute.

102. SCADA: Supervisory control and data acquisition.

103. SCR: Silicon-controlled rectifier.

104. SPD: Surge protective device.

105. sq.: Square.

106. SWD: Switching duty.

107. TCP/IP: Transmission control protocol/Internet protocol.

108. TEFC: Totally enclosed fan-cooled.

109. TR: Tamper resistant.

110. TVSS: Transient voltage surge suppressor.

111. UL: Underwriters Laboratories, Inc. (standards) or UL LLC (services).

112. UL CCN: UL Category Control Number.

113. UPS: Uninterruptible power supply.

114. USB: Universal serial bus.

115. UV: Ultraviolet.

116. V: Volt, unit of electromotive force.

117. V(ac): Volt, alternating current.

118. V(dc): Volt, direct current.

119. VA: Volt-ampere, unit of complex electrical power.

120. VAr: Volt-ampere reactive, unit of reactive electrical power.

121. VFC: Variable-frequency controller.

122. VOM: Volt-ohm-multimeter.

123. VPN: Virtual private network.

124. VRLA: Valve-regulated lead acid.

125. W: Watt, unit of real electrical power.

126. Wh: Watt-hour, unit of electrical energy usage.

26 00 10 - 4

127. WPT: Wireless power transfer.

128. WPTE: Wireless power transfer equipment.

129. WR: Weather resistant.

B. Abbreviations and Acronyms for Electrical Raceway Types:

1. EMT: Electrical metallic tubing.

2. EMT-A: Aluminum electrical metallic tubing.

3. EMT-S: Steel electrical metallic tubing.

4. EMT-SS: Stainless steel electrical metallic tubing.

5. ENT: Electrical nonmetallic tubing.

6. EPEC: Electrical HDPE underground conduit.

7. EPEC-40: Schedule 40 electrical HDPE underground conduit.

8. EPEC-80: Schedule 80 electrical HDPE underground conduit.

9. EPEC-A: Type A electrical HDPE underground conduit.

10. EPEC-B: Type B electrical HDPE underground conduit.

11. ERMC: Electrical rigid metal conduit.

12. ERMC-A: Aluminum electrical rigid metal conduit.

13. ERMC-S: Steel electrical rigid metal conduit.

14. ERMC-S-G: Galvanized-steel electrical rigid metal conduit.

15. ERMC-S-PVC: PVC-coated-steel electrical rigid metal conduit.

16. ERMC-SS: Stainless steel electrical rigid metal conduit.

17. FMC: Flexible metal conduit.

18. FMC-A: Aluminum flexible metal conduit.

19. FMC-S: Steel flexible metal conduit.

20. FMT: Steel flexible metallic tubing.

21. FNMC: Flexible nonmetallic conduit. See LFNC.

22. HDPE: See EPEC.

23. IMC: Steel electrical intermediate metal conduit.

24. LFMC: Liquidtight flexible metal conduit.

25. LFMC-A: Aluminum liquidtight flexible metal conduit.

26. LFMC-S: Steel liquidtight flexible metal conduit.

27. LFMC-SS: Stainless steel liquidtight flexible metal conduit.

28. LFNC: Liquidtight flexible nonmetallic conduit.

29. LFNC-A: Layered (Type A) liquidtight flexible nonmetallic conduit.

30. LFNC-B: Integral (Type B) liquidtight flexible nonmetallic conduit.

31. LFNC-C: Corrugated (Type C) liquidtight flexible nonmetallic conduit.

32. PVC: Rigid PVC conduit.

33. PVC-40: Schedule 40 rigid PVC conduit.

34. PVC-80: Schedule 80 rigid PVC Conduit.

35. PVC-A: Type A rigid PVC concrete-encased conduit.

36. PVC-EB: Type EB rigid PVC concrete-encased underground conduit.

37. RGS: See ERMC-S-G.

38. RMC: See ERMC.

39. RTRC: Reinforced thermosetting resin conduit.

40. RTRC-AG: Low-halogen, aboveground reinforced thermosetting resin conduit.

41. RTRC-AG-HW: Heavy wall, low-halogen, aboveground reinforced thermosetting resin conduit.

42. RTRC-AG-SW: Standard wall, low-halogen, aboveground reinforced thermosetting resin conduit.

26 00 10 - 5

43. RTRC-AG-XW: Extra heavy wall, low-halogen, aboveground reinforced thermosetting resin conduit.

44. RTRC-BG: Low-halogen, belowground reinforced thermosetting resin conduit.

C. Abbreviations and Acronyms for Electrical Cable Types:

1. AC: Armored cable.

2. CATV: Coaxial general-purpose cable.

3. CATVP: Coaxial plenum cable.

4. CATVR: Coaxial riser cable.

5. CI: Circuit integrity cable.

6. CL2: Class 2 cable.

7. CL2P: Class 2 plenum cable.

8. CL2R: Class 2 riser cable.

9. CL2X: Class 2 cable, limited use.

10. CL3: Class 3 cable.

11. CL3P: Class 3 plenum cable.

12. CL3R: Class 3 riser cable.

13. CL3X: Class 3 cable, limited use.

14. CM: Communications general-purpose cable.

15. CMG: Communications general-purpose cable.

16. CMP: Communications plenum cable.

17. CMR: Communications riser cable.

18. CMUC: Under-carpet communications wire and cable.

19. CMX: Communications cable, limited use.

20. DG: Distributed generation cable.

21. FC: Flat cable.

22. FCC: Flat conductor cable.

23. FPL: Power-limited fire-alarm cable.

24. FPLP: Power-limited fire-alarm plenum cable.

25. FPLR: Power-limited fire-alarm riser cable.

26. IGS: Integrated gas spacer cable.

27. ITC: Instrumentation tray cable.

28. ITC-ER: Instrumentation tray cable, exposed run.

29. MC: Metal-clad cable.

30. MC-HL: Metal-clad cable, hazardous location.

31. MI: Mineral-insulated, metal-sheathed cable.

32. MTW: Moisture-, heat-, and oil-resistant thermoplastic cable (machine tool wiring).

33. MV: Medium-voltage cable.

34. NM: Nonmetallic sheathed cable.

35. NMC: Nonmetallic sheathed cable with corrosion-resistant nonmetallic jacket.

36. NMS: Nonmetallic sheathed cable with signaling, data, and communications conductors, plus power or control conductors.

37. NPLF: Non-power-limited fire-alarm circuit cable.

38. NPLFP: Non-power-limited fire-alarm circuit cable for environmental air spaces.

39. NPLFR: Non-power-limited fire-alarm circuit riser cable.

40. NUCC: Nonmetallic underground conduit with conductors.

41. OFC: Conductive optical fiber general-purpose cable.

42. OFCG: Conductive optical fiber general-purpose cable.

43. OFCP: Conductive optical fiber plenum cable.

44. OFCR: Conductive optical fiber riser cable.

26 00 10 - 6

45. OFN: Nonconductive optical fiber general-purpose cable.

46. OFNG: Nonconductive optical fiber general-purpose cable.

47. OFNP: Nonconductive optical fiber plenum cable.

48. OFNR: Nonconductive optical fiber riser cable.

49. P: Marine shipboard cable.

50. PLTC: Power-limited tray cable.

51. PLTC-ER: Power-limited tray cable, exposed run.

52. PV: Photovoltaic cable.

53. RHH: Thermoset rubber, heat-resistant cable (high heat).

54. RHW: Thermoset rubber, moisture-resistant cable.

55. SA: Silicone rubber cable.

56. SE: Service-entrance cable.

57. SER: Service-entrance cable, round.

58. SEU: Service-entrance cable, flat.

59. SIS: Thermoset cable for switchboard and switchgear wiring.

60. TBS: Thermoplastic cable with outer braid.

61. TC: Tray cable.

62. TC-ER: Tray cable, exposed run.

63. TC-ER-HL: Tray cable, exposed run, hazardous location.

64. THW: Thermoplastic, heat- and moisture-resistant cable.

65. THHN: Thermoplastic, heat-resistant cable with nylon jacket outer sheath.

66. THHW: Thermoplastic, heat- and moisture-resistant cable.

67. THWN: Thermoplastic, moisture- and heat-resistant cable with nylon jacket outer sheath.

68. TW: Thermoplastic, moisture-resistant cable.

69. UF: Underground feeder and branch-circuit cable.

70. USE: Underground service-entrance cable.

71. XHH: Cross-linked polyethylene, heat-resistant cable.

72. XHHW: Cross-linked polyethylene, heat- and moisture-resistant cable.

D. Definitions:

1. Designated Seismic System: A system component that requires design in accordance with

ASCE/SEI 7, Ch. 13 and for which the Component Importance Factor is greater than 1.0.

2. Enclosure: The case or housing of an apparatus, or the fence or wall(s) surrounding an installation, to prevent personnel from accidentally contacting energized parts or to protect the equipment from physical damage. Types of enclosures and enclosure covers include the following:

a. Cabinet: An enclosure that is designed for either surface mounting or flush mounting and is provided with a frame, mat, or trim in which a swinging door or doors are or can be hung.

b. Concrete Box: A box intended for use in poured concrete.

c. Conduit Body: A means for providing access to the interior of a conduit or tubing system through one or more removable covers at a junction or terminal point. In the United States, conduit bodies are listed in accordance with outlet box requirements.

d. Conduit Box: A box having threaded openings or knockouts for conduit, EMT, or fittings.

e. Cutout Box: An enclosure designed for surface mounting that has swinging doors or covers secured directly to and telescoping with the walls of the enclosure.

f. Device Box: A box with provisions for mounting a wiring device directly to the box.

26 00 10 - 7

g. Junction Box: A box with a blank cover that joins different runs of raceway or cable and provides space for connection and branching of the enclosed conductors.

h. Outlet Box: A box that provides access to a wiring system having pryout openings, knockouts, threaded entries, or hubs in either the sides or the back, or both, for the entrance of conduit, conduit or cable fittings, or cables, with provisions for mounting an outlet box cover, but without provisions for mounting a wiring device directly to the box.

i. Pull Box: A box with a blank cover that joins different runs of raceway and provides access for pulling or replacing the enclosed cables or conductors.

j. Termination Box: An enclosure designed for installation of termination base assemblies consisting of bus bars, terminal strips, or terminal blocks with provision for wire connectors to accommodate incoming or outgoing conductors, or both.

3. Jacket: A continuous nonmetallic outer covering for conductors or cables.

4. Luminaire: A complete lighting unit consisting of a light source such as a lamp, together with the parts designed to position the light source and connect it to the power supply. It may also include parts to protect the light source or the ballast or to distribute the light.

5. Multi-Outlet Assembly: A type of surface, flush, or freestanding raceway designed to hold conductors, receptacles, and switches, assembled in the field or at the factory.

6. Receptacle: A fixed connecting device arranged for insertion of a power cord plug. Also called a power jack.

7. Receptacle Outlet: One or more receptacles mounted in a box with a suitable protective cover.

8. Sheath: A continuous metallic covering for conductors or cables.

9. UL Category Control Number: An alphabetic or alphanumeric code used to identify product categories covered by UL's Listing, Classification, and Recognition Services.

10. Voltage Class: For specified circuits and equipment, voltage classes are defined as follows:

a. Line Voltage: (1) (controls) Designed to operate using the supplied low-voltage power without transformation. (2) (transmission lines, transformers, SPDs) The line-to-line voltage of the supplying power system.

b. Low Voltage: Having electromotive force between any two conductors, or between a single conductor and ground, that is rated above 30 V but not exceeding 1000 V.

1.3 COORDINATION

A. Interruption of Existing Electrical Service: Do not interrupt electrical service to facilities occupied by Owner or others unless permitted under the following conditions:

1. Notify Owner no fewer than seven > days in advance of proposed interruption of electrical service.

2. Do not proceed with interruption of electrical service without Owner's written permission.

B. Arrange to provide temporary electrical service in accordance with requirements specified in Division 01.

26 00 10 - 8

1.4 PREINSTALLATION MEETINGS

A. Electrical Preconstruction Conference: Schedule conference with Architect and Owner, not later than 10 days after notice to proceed. Agenda topics include, but are not limited to, the following:

1. Electrical installation schedule.

2. Status of power system studies.

3. Value analysis proposals and requests for substitution of electrical equipment.

4. Utility work coordination and class of service requests.

5. Commissioning activities.

1.5 SEQUENCING

A. Conduct and submit results of power system studies before submitting Product Data and Shop Drawings for electrical equipment.

1.6 ACTION SUBMITTALS

A. Coordination Drawings for Structural Supports: Show coordination of structural supports for equipment and devices, including restraints and bracing for control of seismic and wind loads, with other systems, equipment, and structural supports in the vicinity.

B. Coordination Drawings for Large Equipment Outdoor Installations:

1. Utilities site plan, drawn to scale, showing heavy equipment or truck access paths for maintenance and replacement, with the following items shown and coordinated with each other, based on input from installers of the items involved:

a. Fences and walls, dimensioned concrete bases, outlines of equipment, conduit entries, and grounding and bonding locations.

b. Indicate clear dimensions for fence gates and wall openings.

c. Indicate depth and type of ground cover, and locations of trees, shrubbery, and other obstructions in access path.

d. Indicate clear height below tree branches, overhead lines, bridges, and other overhead obstructions in access path, or where cranes and hoists will be needed to handle large electrical equipment.

e. Support locations, type of support, and weight on each support. Locate structural supports for structure-supported raceways and seismic bracing.

f. Dimensioned working clearances and dedicated areas around electrical equipment.

1.7 INFORMATIONAL SUBMITTALS

A. Electrical Installation Schedule: At preconstruction meeting, and periodically thereafter as dates change, provide schedule for electrical installation Work to Owner and Architect including, but not limited to, milestone dates for the following activities:

1. Submission of power system studies.

26 00 10 - 9

2. Submission of specified coordination drawings.

3. Submission of action submittals specified in Division 26.

4. Orders placed for major electrical equipment.

5. Arrival of major electrical equipment on-site.

6. Preinstallation meetings specified in Division 26.

7. Utility service outages.

8. Utility service inspection and activation.

9. System startup, testing, and commissioning activities for major electrical equipment.

10. Pouring of concrete housekeeping pads for electrical equipment and testing of concrete samples.

11. Requests for special inspections.

12. Requests for inspections by authorities having jurisdiction.

B. Certificates:

1. Seismic-Load Performance Certificates: Provide special certification for designated seismic systems as indicated in ASCE/SEI 7-05, ASCE/SEI 7-10, ASCE/SEI 7-16, Paragraph 13.2.2, "Special Certification Requirements for Designated Seismic Systems" for all Designated Seismic Systems identified on Drawings or in the Specifications.

a. The following systems and components are Designated Seismic Systems and require written special certification of seismic qualification by manufacturer:

1) Raceways, enclosures, cabinets, boxes, and their mounting provisions specified in Section 260533 "Raceway and Boxes for Electrical Systems."

2) Seismic restraints specified in Section 260548.16 "Seismic Controls for

Electrical Systems."

3) Equipment, accessories, and components specified in Section 262416

"Panelboards."

b. Include the following information:

1) Basis for Certification: Indicate whether withstand certification is based on actual test of assembled components or on calculation.

2) Dimensioned Outline Drawings of Equipment Unit: Identify center of gravity and locate and describe mounting and anchorage provisions.

3) Detailed description of equipment anchorage devices on which the certification is based and their installation requirements.

4) Detailed description of conduit support devices and interconnections on which the certification is based and their installation requirements.

5) Provide equipment manufacturer's written certification for each designated active electrical seismic device and system, stating that it will remain operable following the design earthquake. Certification must be based on requirements of ASCE/SEI 7, including shake table testing per ICC- ES AC156 or a similar nationally recognized testing standard procedure acceptable to authorities having jurisdiction, or experience data as permitted by ASCE/SEI 7-05, ASCE/SEI 7-10, ASCE/SEI 7-16.

6) Submit evidence demonstrating compliance with these requirements for approval to authorities having jurisdiction after review and acceptance by qualified structural professional engineer.

26 00 10 - 10

2. Wind-Load Performance Certificates: Provide special certification for systems and components designated on Drawings or in the Specifications to be subject to high wind exposure and impact damage.

a. The following systems and components require written special certification of resistance to the effects of high wind-load and impact damage by manufacturer:

1) Special-Purpose Power Outlet Assemblies.

b. Include the following information:

1) Provide equipment manufacturer's written certification for each designated system and component, stating that it will remain in place and operable following the design wind event and comply with requirements of authorities having jurisdiction.

2) Certification must be based on ICC-ES or similar nationally recognized testing standard procedures acceptable to authorities having jurisdiction.

C. Qualification Statements:

1. For qualified regional manufacturer.

2. For structural professional engineer.

3. For electrical professional engineer.

4. For EPM specialist.

5. For ERMC-S-PVC raceway Installer.

6. For low-voltage electrical testing agency and on-site electrical testing supervisor.

7. For control-voltage electrical testing agency and on-site control-voltage testing supervisor.

8. For structural testing and inspecting agency.

9. For outdoor pole testing and inspecting agency.

10. For luminaire photometric testing laboratory.

11. For lighting testing and inspecting agency.

1.8 CLOSEOUT SUBMITTALS

A. Facility EPM Program Binders:

1. Complete Set: On approved online or cloud solution.

2. Volumes 2 and 8: Reproducible hardcopy on archival quality, 28 lb, acid-free, bond paper.

B. Operation and Maintenance Data:

1. Provide operation, and maintenance manuals for each system, equipment, and device listed below:

a. Panelboard(s).

2. Include the following information:

26 00 10 - 11

a. Manufacturer's operating specifications.

b. Detailed instructions covering operation under both normal and abnormal conditions.

c. Time-current curves for overcurrent protective devices and manufacturer's written instructions for testing and adjusting their settings.

d. List of load-current and overload-relay heaters with related motor nameplate data.

e. EPSS: Manufacturer's system checklists, maintenance schedule, and maintenance log sheets in accordance with NFPA 110.

1.9 QUALIFICATIONS

A. Qualified Regional Manufacturer: Manufacturer, possessing qualifications specified in Section 014000 "Quality Requirements," that maintains a service center capable of providing training, parts, and emergency on-site repairs to Project site with response time less than eight hours.

B. EPM Specialist: Recognized experts possessing the following qualifications in accordance with Section 014000 "Quality Requirements" and NFPA 70B:

1. Technical Competence: Person should, by education, training, and experience, be well-rounded in all aspects of electrical maintenance.

2. Administrative and Supervisory Skills: Person should be skilled in planning and development of long-range objectives to achieve specific results and should be able to command respect and solicit cooperation of persons involved in EPM Program development.

1.10 FIELD CONDITIONS

A. Modeling, analysis, product selection, installation, and quality control for Work specified in Division 26 must comply with requirements specified in Section 260011 "Facility Performance Requirements for Electrical."

B. Service Conditions for Electrical Power Equipment: Besides conditions specified in Section 260011 "Facility Performance Requirements for Electrical," specified electrical power equipment must be suitable for operation under service conditions specified as usual service conditions in applicable NEMA PB series, IEEE C37 series, and IEEE C57 series standards, except for the following:

1. Project site:

a. Exposure to significant solar radiation.

b. Exposure to fumes, vapors, or dust.

c. Exposure to explosive environments.

d. Ambient temperature not exceeding 140 deg F.

e. Exposure to hot and humid climate or to excessive moisture, including steam, salt spray, and dripping water.

f. Unusual transportation or storage conditions.

g. Unusual grounding resistance conditions.

h. Unusual space limitations.

26 00 10 - 12

PART 2 - PRODUCTS

2.1 SUBSTITUTION LIMITATIONS FOR ELECTRICAL EQUIPMENT

A. Substitution requests for electrical equipment will be entertained under the following conditions:

1. Substitution requests may be submitted for consideration prior to the Electrical Preconstruction Conference if accompanied by value analysis data indicating that substitution will comply with Project performance requirements while significantly increasing value for Owner throughout life of facility.

2. Substitution requests may be submitted for consideration concurrently with submission of power system study reports when those reports indicate that substitution is necessary for safety of maintenance personnel and facility occupants.

3. Contractor is responsible for sequencing and scheduling power system studies and electrical equipment procurement. After the Electrical Preconstruction Conference, insufficient lead time for electrical equipment delivery will not be considered a valid reason for substitution.

2.2 FACILITY ELECTRICAL PREVENTIVE MAINTENANCE (EPM) PROGRAM BINDERS

A. Description: Set of binders containing operation and maintenance data for facility's electrical equipment that was compiled during analysis of installed electrical Work for Facility EPM Program development.

B. Applicable Standards:

1. Regulatory Requirements: Comply with recommendations in NFPA 70B.

2. General Characteristics:

a. Volume 1 - Introduction:

1) Summarize how Facility EPM Program Analysis was performed, how data were collected, and how volumes are organized.

2) Describe Facility EPM Program and provide recommended policies and procedures for implementing the program and keeping it current.

3) Provide place for Owner to identify contact information for employees responsible for implementing and maintaining Facility EPM Program.

b. Volume 2 - Facility Safety, Hazards Awareness, and Emergency Procedures:

1) Include training requirements for employees and contractors.

2) Include list of known facility hazards impacting IT&R activities.

3) Include approval and permitting procedures for IT&R activities.

4) Include incident emergency response procedures.

5) Include emergency shutdown procedures.

6) Include electrical disaster recovery procedures.

c. Volume 4 - Facility Diagrams and Schedules:

26 00 10 - 13

1) Include single-line diagrams.

2) Include grounding and bonding diagrams.

3) Include essential wiring diagrams.

d. Volume 5 - Inventory of Facility Equipment Using Electrical Power:

1) Include identifying designations and nameplate data.

2) Include warranty and maintenance contract information.

e. Volume 7 - Inspection, Testing, and Repair (IT&R) Plan:

1) Include tables showing frequency of activities for each item.

2) Include annual schedule with activities mapped to specific days of the year.

3) Include exterior pole inspection and repair procedures.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verification of Conditions:

1. Existing power distribution equipment.

B. Preinstallation Testing:

1. Integrity of area site lighting.

C. Evaluation and Assessment:

1. Working order of Special-Purpose-Power Outlet Assemblies.

3.2 INSTALLATION OF ELECTRICAL WORK

A. Unless more stringent requirements are specified in the Contract Documents or manufacturers' written instructions, comply with NFPA 70 and NECA NEIS 1 for installation of Work specified in Division 26. Consult Architect for resolution of conflicting requirements.

3.3 FIELD QUALITY CONTROL

A. Administrant for Low-Voltage Electrical Tests and Inspections:

1. Administer and perform tests and inspections.

B. Administrant for Structural Tests and Inspections:

1. Administer and perform tests and inspections.

END OF SECTION

375-2032 Forest Service Campground Facility Performance Requirements for Electrical 26 00 11 - 1

SECTION 26 00 11 - FACILITY PERFORMANCE REQUIREMENTS FOR ELECTRICAL

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Field conditions and other facility performance requirements applicable to Work specified in Division 26.

1.2 FIELD CONDITIONS

A. Seismic Hazard Design Loads:

1. Unless otherwise indicated on Contract Documents, specified Work must withstand seismic hazard design loads determined in accordance with requirements specified in this Section, adjusted for installed elevation above or below grade.

a. The term "withstand" means "unit must remain in place without separation of parts from unit when subjected to specified seismic hazard design loads and unit must be fully operational after seismic event."

2. Perform calculations to obtain force information necessary to properly select seismic-restraint devices, fasteners, and anchorage. Perform calculations using methods acceptable to applicable code authorities and as presented in ASCE/SEI 7-05, ASCE/SEI 7-10 including supplement No. 1, ASCE/SEI 7-16. Where "ASCE/SEI 7" is used throughout this Section, it must be understood that the edition referred to in this subparagraph is the edition intended as reference throughout the Section Text.

a. Data indicated below to be determined by Delegated Design Contractor must be obtained by Contractor and must be included in individual component submittal packages.

b. Coordinate seismic design calculations with wind-load calculations for equipment mounted outdoors.

c. Building Occupancy Category: I.

d. Building Risk Category: I.

e. Building Site Classification: D.

B. Wind Hazard Design Loads:

1. Perform calculations to obtain force information necessary to properly select wind-load restraint devices, fasteners, and anchorage. Perform calculations using methods acceptable to applicable code authorities and as presented in ASCE/SEI 7-05, ASCE/SEI 7-10, ASCE/SEI 7-16 . Where "ASCE/SEI 7" is used throughout this Section, 375-2032 Forest Service Campground Facility Performance Requirements for Electrical 26 00 11 - 2 it must be understood that the edition referred to in this subparagraph is intended as referenced throughout the Section Text unless otherwise indicated.

a. Data indicated below that are specific to individual pieces of equipment must be obtained by Contractor and must be included in individual component submittal packages.

b. Coordinate design wind-load calculations with seismic-load calculations for equipment requiring both seismic- and wind-load reinforcement. Comply with requirements in other Sections in addition to those in this Section.

2. Design wind pressure "p" for external sidewall-mounted equipment must be calculated by Delegated Design Contractor using methods in ASCE/SEI 7-16, Ch. 30. Perform calculations according to one of the following, as appropriate:

a. PART 1: Low-Rise Buildings.

b. PART 2: Low-Rise Buildings (Simplified).

c. PART 3: Buildings with "h" less than 60 ft.

d. PART 5: Open Buildings.

e. Risk Category: I.

f. Basic Wind Speed (V): 107 mph.

PART 2 - EXECUTION (Not Used)

375-2032 Forest Service Campground Low-Voltage Electrical Power Conductors and Cables 26 05 19 - 1

SECTION 26 05 19

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 GENERAL

1.1 SUMMARY

A. Section includes building wire and cable; service entrance cable; metal clad cable; and wiring connectors and connections.

B. Related Sections:

1. Section 26 05 53 - Identification for Electrical Systems: Product requirements for wire identification.

1.2 REFERENCES

A. International Electrical Testing Association:

1. NETA ATS - Acceptance Testing Specifications for Electrical Power

Distribution Equipment and Systems.

B. National Fire Protection Association:

1. NFPA 70 - National Electrical Code.

1.3 SYSTEM DESCRIPTION

A. Product Requirements: Provide products as follows:

1. Stranded conductor for feeders and branch circuits 10 AWG and smaller.

2. Stranded conductors for control circuits.

3. Conductor not smaller than 12 AWG for power and lighting circuits.

4. Conductor not smaller than 16 AWG for control circuits.

5. 10 AWG conductors for 20 ampere, 120 volt branch circuits longer than 100 feet feet.

B. Wiring Methods: Provide the following wiring methods:

1. Concealed Dry Interior Locations: Use only Type THHN/THWN, or XHHW insulation, in raceway.

2. Exposed Dry Interior Locations: Use only Type THHN/THWN, or XHHW insulation, in raceway.

3. Wet or Damp Interior Locations: Use only Type THHN/THWN, or XHHW insulation, in raceway.

4. Exterior Locations: Use only Type THHN/THWN, or XHHW insulation, in raceway.

5. Underground Locations: Use only Type THHN/THWN, or XHHW insulation, in raceway.

26 05 19 - 2

1.4 DESIGN REQUIREMENTS

A. Conductor sizes are based on copper.

1.5 SUBMITTALS

A. Section 01 33 00 - Submittal Procedures: Requirements for submittals.

B. Product Data: Submit for building wire.

1.6 CLOSEOUT SUBMITTALS

A. Section 01 70 00 - Execution and Closeout Requirements: Requirements for submittals.

B. Project Record Documents: Record actual locations of components and circuits.

1.7 FIELD MEASUREMENTS

A. Verify field measurements are as indicated on Drawings.

1.8 COORDINATION

A. Section 01 30 00 - Administrative Requirements: Requirements for coordination.

B. Where wire and cable destination is indicated and routing is not shown, determine routing and lengths required.

C. Wire and cable routing indicated is approximate unless dimensioned.

PART 2 PRODUCTS

2.1 BUILDING WIRE

A. Manufacturers:

1. Diamond Wire & Cable Co.

2. Essex Group Inc.

3. General Cable Co.

4. Substitutions: Not Permitted.

B. Product Description: Single conductor insulated wire.

C. Conductor: Copper.

D. Insulation: 600 volt rating; thermoplastic material rated 75 degrees C.

2.2 SERVICE ENTRANCE CABLE

A. Conductor: Copper.

26 05 19 - 3

B. Insulation Voltage Rating: 600 volts.

C. Insulation: 90 degrees.

PART 3 EXECUTION

3.1 EXAMINATION

A. Section 01 30 00 - Administrative Requirements: Coordination and project conditions.

B. Verify interior of building has been protected from weather.

C. Verify mechanical work likely to damage wire and cable has been completed.

D. Verify raceway installation is complete and supported.

3.2 PREPARATION

A. Completely and thoroughly swab raceway before installing wire.

3.3 INSTALLATION

A. Route wire and cable to meet Project conditions.

B. Neatly train and lace wiring inside boxes, equipment, and panelboards.

C. Identify and color code wire and cable under provisions of Section 26 05 53. Identify each conductor with its circuit number or other designation indicated.

D. Special Techniques--Building Wire in Raceway:

1. Pull conductors into raceway at same time.

2. Install building wire 4 AWG and larger with pulling equipment.

E. Special Techniques - Cable:

1. Protect exposed cable from damage.

2. Support cables above accessible ceiling, using spring metal clips to support cables from structure or ceiling suspension system. Do not rest cable on ceiling panels.

3. Use suitable cable fittings and connectors.

F. Special Techniques - Wiring Connections:

1. Clean conductor surfaces before installing lugs and connectors.

2. Make splices, taps, and terminations to carry full ampacity of conductors with no perceptible temperature rise.

3. Tape uninsulated conductors and connectors with electrical tape to 150 percent of insulation rating of conductor.

4. Install split bolt connectors for copper conductor splices and taps, 6 AWG and larger.

26 05 19 - 4

5. Install solderless pressure connectors with insulating covers for copper conductor splices and taps, 8 AWG and smaller.

6. Install insulated spring wire connectors with plastic caps for copper conductor splices and taps, 10 AWG and smaller.

7. When stranded conductors are used in lieu of solid, install crimp-on fork terminals for device terminations. Do not place bare stranded conductors directly under screws.

3.4 WIRE COLOR

A. General:

1. For wire sizes 10 AWG and smaller, install wire colors in accordance with the following:

a. Black, red, and blue for circuits at 120/208 volts single or three phase.

b. Orange, brown, and yellow for circuits at 277/480 volts single or three phase.

2. For wire sizes 8 AWG and larger, identify wire with colored tape at terminals, splices and boxes. Colors are as follows:

a. Black, red, and blue for circuits at 120/208 volts single or three phase.

b. Orange, brown, and yellow for circuits at 277/480 volts single or three phase.

B. Neutral Conductors: White. When two or more neutrals are located in one conduit, individually identify each with proper circuit number.

C. Branch Circuit Conductors: Install three or four wire home runs with each phase uniquely color coded.

D. Feeder Circuit Conductors: Uniquely color code each phase.

E. Ground Conductors:

1. For 6 AWG and smaller: Green.

2. For 4 AWG and larger: Identify with green tape at both ends and visible points including junction boxes.

3.5 FIELD QUALITY CONTROL

A. Section 01 40 00 - Quality Requirements; 01 70 00 - Execution and Closeout Requirements: Field inspecting, testing, adjusting, and balancing.

B. Inspect and test in accordance with NETA ATS, except Section 4.

C. Perform inspections and tests listed in NETA ATS, Section 7.3.1.

375-2032 Forest Service Campground Grounding and Bonding for Electrical Systems 26 05 26 - 1

SECTION 26 05 26 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section includes grounding and bonding systems and equipment, plus the following special applications:

1. Underground distribution grounding.

B. Related Requirements:

1. Section 260010 "Supplemental Requirements for Electrical" for additional abbreviations, definitions, submittals, qualifications, testing agencies, and other Project requirements applicable to Work specified in this Section.

2. Section 260011 "Facility Performance Requirements for Electrical" for seismic-load, wind-load, acoustical, and other field conditions applicable to Work specified in this Section.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

1.3 INFORMATIONAL SUBMITTALS

A. Coordination Drawings: Plans showing dimensioned locations of grounding features specified in "Field Quality Control" Article, including the following:

1. Test wells.

2. Ground rods.

B. Field quality-control reports.

1.4 CLOSEOUT SUBMITTALS

A. Operation and Maintenance Data: For grounding to include in emergency, operation, and maintenance manuals.

1. In addition to items specified in Section 260010 "Supplemental Requirements for Electrical," include the following:

a. Plans showing as-built, dimensioned locations of system described in "Field Quality Control" Article, including the following:

1) Test wells.

26 05 26 - 2

2) Ground rods.

PART 2 - PRODUCTS

2.1 SYSTEM DESCRIPTION

A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Comply with UL 467 for grounding and bonding materials and equipment.

2.2 MANUFACTURERS

A. Acceptable Manufacturers:

1. ABB Electrification Business

2. allG Fabrication (formerly ALT)

3. America Fujikura Lrd. (AFL) Fujikura Lrd.

4. Burndy, brand of Hubbell Electrical Solutions: Hubbell Incorporated

5. ERICO; brand of nVent Electrical plc

6. Fushi Copperweld Inc.

7. Galvan Industries, Inc.; Electrical Products Division, LLC

8. Harger Lightning & Grounding; business of Harger, Inc.

9. ILSCO

10. O-Z/Gedney brand of Emerson Electric Co., Automation Solutions, Appleton Group

11. Robbins Lightning, Inc

12. Siemens Industry, Inc., Energy Management Division

2.3 CONDUCTORS

A. Insulated Conductors: Copper or tinned-copper wire or cable insulated for 600 V unless otherwise required by applicable Code or authorities having jurisdiction.

1. Solid Conductors: ASTM B3.

2. Stranded Conductors: ASTM B8.

3. Tinned Conductors: ASTM B33.

4. Bonding Conductor: No. 4 or No. 6 AWG, stranded conductor.

B. Grounding Bus: Predrilled rectangular bars of annealed copper, 1/4 by 4 inch in cross section, with 9/32 inch holes spaced 1-1/8 inch apart. Stand-off insulators for mounting must comply with UL 891 for use in switchboards, 600 V and must be Lexan or PVC, impulse tested at 5000 V.

26 05 26 - 3

2.4 CONNECTORS

A. Listed and labeled by an NRTL acceptable to authorities having jurisdiction for applications in which used and for specific types, sizes, and combinations of conductors and other items connected.

B. Welded Connectors: Exothermic-welding kits of types recommended by kit manufacturer for materials being joined and installation conditions.

C. Compression-Type Bus-Bar Connectors: Copper or copper alloy, with two wire terminals.

D. Cable-to-Cable Connectors: Compression type, copper or copper alloy.

E. Conduit Hubs: Mechanical type, terminal with threaded hub.

F. Ground Rod Clamps: Mechanical type, copper or copper alloy, terminal with hex head bolt.

G. Lay-in Lug Connector: Mechanical type, copper rated for direct burial terminal with set screw.

H. Signal Reference Grid Clamp: Mechanical type, stamped-steel terminal with hex head screw.

I. Straps: Solid copper, copper lugs. Rated for 600 A.

J. U-Bolt Clamps: Mechanical type, copper or copper alloy, terminal listed for direct burial.

2.5 GROUNDING ELECTRODES

A. Ground Rods: Copper-clad; 5/8 by 96 inch.

B. Ground Plates: 1/4 inch thick, hot-dip galvanized.

PART 3 - EXECUTION

3.1 APPLICATIONS

A. Conductors: Install solid conductor for No. 8 AWG and smaller, and stranded conductors for No. 6 AWG and larger unless otherwise indicated.

B. Underground Grounding Conductors: Install bare tinned-copper conductor, size per Drawings.

1. Bury at least 30 inch below grade.

C. Grounding Conductors: Green-colored insulation with continuous yellow stripe.

D. Conductor Terminations and Connections:

1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors.

2. Underground Connections: Welded connectors except at test wells and as otherwise indicated.

26 05 26 - 4

3. Connections to Ground Rods at Test Wells: Bolted connectors.

3.2 GROUNDING AT THE SERVICE

A. Equipment grounding conductors and grounding electrode conductors must be connected to the ground bus. Install a main bonding jumper between the neutral and ground buses.

3.3 GROUNDING UNDERGROUND DISTRIBUTION SYSTEM COMPONENTS

A. Comply with IEEE C2 grounding requirements.

B. Grounding Manholes and Handholes: Install a driven ground rod through manhole or handhole floor, close to wall, and set rod depth so 4 inch will extend above finished floor. If necessary, install ground rod before manhole is placed and provide No. 1/0 AWG bare, tinned-copper conductor from ground rod into manhole through a waterproof sleeve in manhole wall. Protect ground rods passing through concrete floor with a double wrapping of pressure-sensitive insulating tape or heat-shrunk insulating sleeve from 2 inch above to 6 inch below concrete.

Seal floor opening with waterproof, nonshrink grout.

3.4 EQUIPMENT GROUNDING

A. Install insulated equipment grounding conductors with all feeders and branch circuits.

B. Install insulated equipment grounding conductors with the following items, in addition to those required by NFPA 70:

1. Feeders and branch circuits.

2. Lighting circuits.

3. Receptacle circuits.

C. Poles Supporting Outdoor Lighting Fixtures: Install grounding electrode and a separate insulated equipment grounding conductor in addition to grounding conductor installed with branch-circuit conductors.

3.5 INSTALLATION

A. Grounding Conductors: Route along shortest and straightest paths possible unless otherwise indicated or required by Code. Avoid obstructing access or placing conductors where they may be subjected to strain, impact, or damage.

B. Ground Bonding Common with Lightning Protection System: Comply with NFPA 780 and UL 96 when interconnecting with lightning protection system. Bond electrical power system ground directly to lightning protection system grounding conductor at closest point to electrical service grounding electrode. Use bonding conductor sized same as system grounding electrode conductor, and install in conduit.

C. Ground Rods: Drive rods until tops are 2 inch below finished floor or final grade unless otherwise indicated.

26 05 26 - 5

1. Interconnect ground rods with grounding electrode conductor below grade and as otherwise indicated. Make connections without exposing steel or damaging coating if any.

2. Use exothermic welds for all below-grade connections.

3. For grounding electrode system, install at least three rods spaced at least one-rod length from each other and located at least the same distance from other grounding electrodes, and connect to the service grounding electrode conductor.

D. Test Wells: Ground rod driven through drilled hole in bottom of handhole. Handholes must be at least 12 inch deep, with cover.

1. Install at least one test well for each service unless otherwise indicated. Install at the ground rod electrically closest to service entrance. Set top of test well flush with finished grade or floor.

E. Bonding Straps and Jumpers: Install in locations accessible for inspection and maintenance except where routed through short lengths of conduit.

1. Bonding to Structure: Bond straps directly to basic structure, taking care not to penetrate any adjacent parts.

2. Use exothermic-welded connectors for outdoor locations; if a disconnect-type connection is required, use a bolted clamp.

F. Connections: Make connections so possibility of galvanic action or electrolysis is minimized.

Select connectors, connection hardware, conductors, and connection methods so metals in direct contact are galvanically compatible.

1. Use electroplated or hot-tin-coated materials to ensure high conductivity and to make contact points closer in order of galvanic series.

2. Make connections with clean, bare metal at points of contact.

3. Make aluminum-to-steel connections with stainless steel separators and mechanical clamps.

4. Make aluminum-to-galvanized-steel connections with tin-plated copper jumpers and mechanical clamps.

5. Coat and seal connections having dissimilar metals with inert material to prevent future penetration of moisture to contact surfaces.

3.6 FIELD QUALITY CONTROL

A. Tests and Inspections:

1. After installing grounding system but before permanent electrical circuits have been energized, test for compliance with requirements.

2. Inspect physical and mechanical condition. Verify tightness of accessible, bolted, electrical connections with a calibrated torque wrench according to manufacturer's written instructions.

3. Test completed grounding system at each location where a maximum ground-resistance level is specified, at service disconnect enclosure grounding terminal, at ground test wells, and at individual ground rods. Make tests at ground rods before any conductors are connected.

26 05 26 - 6

a. Measure ground resistance no fewer than two full days after last trace of precipitation and without soil being moistened by any means other than natural drainage or seepage and without chemical treatment or other artificial means of reducing natural ground resistance.

b. Perform tests by fall-of-potential method according to IEEE 81.

4. Prepare dimensioned Drawings locating each test well, ground rod and ground-rod assembly, and other grounding electrodes. Identify each by letter in alphabetical order, and key to the record of tests and observations. Include the number of rods driven and their depth at each location, and include observations of weather and other phenomena that may affect test results. Describe measures taken to improve test results.

B. Grounding system will be considered defective if it does not pass tests and inspections.

C. Prepare test and inspection reports.

D. Report measured ground resistances that exceed the following values:

1. Power and Lighting Equipment or System with Capacity of 500 kVA and Less: 10 ohms.

2. Manhole Grounds: 10 ohms.

E. Excessive Ground Resistance: If resistance to ground exceeds specified values, notify Owner promptly and include recommendations to reduce ground resistance.

375-2032 Forest Service Campground Raceway and Boxes for Electrical Systems 26 05…

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